Residents of coastal and inland areas in Southern California should prepare for various weather conditions over the next few days, as the region is set to experience light showers, a warming trend, and a potential cool down with chances of rain next week. NWS San Diego reports that the mountains' temperatures will hover above average today. In contrast, low temperatures early Friday morning are expected to be 5 to 10 degrees below average for the coast and valleys, with slight warming for lower elevations as the weekend approaches.
Towards the start of next week, temperatures are predicted to rise even further, "with Monday high temperatures as much as 12 to 18 degrees above average for the mountains," says the Area Forecast Discussion from the National Weather Service. The weekend could also see the return of night and morning coastal low clouds, though high temperatures on Sunday are expected to warm to as much as 10 to 15 degrees above average for the mountains and high desert.
The changing weather patterns are due to a low-pressure system moving towards the West Coast. This system is anticipated to bring cooler and breezier conditions around the middle of next week, including a chance of showers, which will contrast the dry weather with a warming trend continuing through Monday. This comes as the high temperatures for coastal areas are projected to reach 61 to 67 degrees on Saturday, rising from the 57 to 61 degrees forecasted for today, indicating a gentle but steady increase in warmth over the next few days.
As for air travel, "SCT-BKN intermittent and variable cigs with bases 1800-2500 feet MSL with a more uniform layer at 3500-4000 feet MSL and tops reaching 4500 feet will continue over the entire coastal basin" which may affect visibility, as reported by the Area Forecast Discussion, Skywarn activation is not currently requested by the NWS, yet weather spotters are still encouraged to report significant weather conditions, marking the importance of community involvement in weather tracking.
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